Nailing Allowed To Roof Truss

Nail braces vertically every 4 feet along the top and bottom of a gable truss.

Nailing allowed to roof truss.

Gusset plate to each rafter at peak. Rafter to ridge board toe nail end nail. Wind loads acting on a truss as well as certain multi span truss applications supporting gravity loads can produce uplift reactions at truss bearing locations. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.

Install the second truss in the same way 24 inches along the wall from the first truss. Slide the rest of the truss up using a 2x4 as a ramp if necessary. Rafter to joist with ridge supported 76. Use a t brace to support the truss vertically.

Turn the truss upside down and place on corner on the roof surface. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs. Nail a long 2 by 4 to the underside of the rafter on the opposite side of the truss from your diagonal brace so that it extends along the length of the roof passing through the second truss. Rafter to joist with ridge unsupported 76.

Rafter plate to each ceiling joist. Prescriptive code compliance loads load maximum allowed code section roof live 20 psf r301 6 table r301 6 ceiling floor live 10 20 30 or 40 psf r301 5 table r301 5 snow 70 psf r301 2 3 wind speed 2012 110 mph r301 2 1 1 figure r301 2 4 a wind speed 2006 9 110 mph. Truss uplift is the major cause for concern in attaching non bearing partitions to roof trusses. Roof rafter roof truss or roof joist to plate toe nail.

Even the best designed trusses can undergo uplift if juvenile or compression wood finds its way into the plant that makes them. There are many reasons for a truss company to not be nailing trusses together besides the obvious safety issues. Install 2x4s at a 45 degree angle. Lifting trusses higher than one story may require.

Support are often attached by toe nailing the truss chord to the support. I ended up spending 23 years in the truss industry most of those in an ownership position. Another great way of attaching the truss end to the top wall plate is to use a simpson fastener shown in the picture above which you can find at your local lumber store.